A bidder may be indifferent to some items with different brands, specifications or qualities and consider them as substitutable.
For the period 1991 2000 their estimated rate of change in the hedonic index is similar to the one reported in this paper for the brand dummies specification (designed to be comparable to Matas and Raymond model).
It employs very few people directly and its assets are mainly in the form of intellectual property: brands, product specifications and scientific expertise.
But different brands have different specifications for what they want.
Major hospitality brands compile exhaustive specifications for licensed hotels, and tend to approve design elements remotely; a foreign site is visited only occasionally.
Until recently, according to both Nokia executives and industry experts, the company didn't want to produce phones specifically tailored for American consumer tastes, and it resisted demands from the major carriers to come up with phones based around their brands and individual specifications.
Omitting age effects seems to be an important source of bias, which would be more relevant in the case of the car-model effects specification (Fixed Effects or Model Dummies) than in the Brand-dummies (BD) and Brand-Segment-dummies (BSD) specifications.
But increasing complexity has made them into mysterious contraptions that buyers judge more by reputation and brand than by mere specifications.
The Kemgard products will continue to be manufactured in Coffeyville, KN, USA, and brand grades and product specifications will remain the same.
Instead, they have a very inner-directed approach that's all about building and cultivating the Obama brand to their own specifications and on their own schedule.
